| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | are [vb pp] [prep] | 42049 |
|
| 2 | [v-ing] [vb pp] [prep] | 2607 |
|
| 3 | [v-ing] are [vb pp] | 89 |
|
| 4 | [v-ing] are [prep] | 38 |
|
